Page 2 - 3-H.A-Concept Map-Changes Around Us
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Q4     Which effect can heating and cooling bring about in a given                  1
                         substance?
                  Q5     Give two examples of change in which the application of force causes         1
                         a change.


                          Concept – Contraction and Expansion and their applications

                  Q1.  Give two applications of Expansion and Contraction in case of solids.          1
                  Q2     Do you think gases also expand and contract? If yes, explain how?            1
                  Q3     Give two applications of Expansion and Contraction in case of liquids.       1
                  Q4     The extent of expansion and contraction is most and least in which           1
                         state of matter?
                  Q5     What is corrosion? Is it physical or chemical change?                        1


































































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